Finding the Fourth Proportional to 1,769,600,406.98, 2,654,750,285.30 and 649,134,467.76
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Solution
The fourth proportional to 1,769,600,406.98, 2,654,750,285.30 and 649,134,467.76 is: 973,829,971.27
Step by Step Solution
- Step 1: Write the proportion equation
1,769,600,406.98 : 2,654,750,285.30 = 649,134,467.76 : x - Step 2: Convert to fraction form
1,769,600,406.98/2,654,750,285.30 = 649,134,467.76/x - Step 3: Cross multiply
1,769,600,406.98x = 2,654,750,285.30 × 649,134,467.76 - Step 4: Simplify right side
1,769,600,406.98x = 1,723,289,913,483,923,712 - Step 5: Solve for x
x = 1,723,289,913,483,923,712/1,769,600,406.98 - Step 6: Final answer
x = 973,829,971.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.